Greece.

No, she was a sprinter.

Brent McFarlane has written:

'The art and science of hurdling' -- subject(s): Hurdling (Track and field)

'Understanding the hurdle events'

HURDLES! nah-dah

Hurdling IS illegal in the NFL and it is similar to the NCAA rule. Hurdling is defined as jumping over an opponent that has no other body part besides at least one foot on the ground.

Basically, you cannot jump over another player who is standing. If they have a knee on the ground or their hand, they can be jumped over.